Re: [PATCH 0/5 v3] Fix NVMe driver support on Power with 32-bit DMA

[David Miller]

From: Nishanth Aravamudan <nacc@xxxxxxxxxxxxxxxxxx>
Date: Thu, 29 Oct 2015 08:57:01 -0700

> So, would that imply changing just the NVMe driver code rather than
> adding the dma_page_shift API at all? What about
> architectures that can support the larger page sizes? There is an
> implied performance impact, at least, of shifting the IO size down.
> 
> Sorry for the continuing questions -- I got lots of conflicting feedback
> on the last series and want to make sure v4 is more acceptable.

In the long term I would be very happy to see us having a real interface
for this stuff, just my opinion...
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